APA (7th ed.) Citation

(1987). River quality in Northern Ireland (1. publ.). Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

River Quality in Northern Ireland. 1. publ. Belfast: Her Majesty's Stationery Office, 1987.

MLA (9th ed.) Citation

River Quality in Northern Ireland. 1. publ. Her Majesty's Stationery Office, 1987.

Warning: These citations may not always be 100% accurate.